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Network-initiated area event triggered positionning method for roaming terminal in mobile communication system

  • US 20070238458A1
  • Filed: 04/06/2007
  • Published: 10/11/2007
  • Est. Priority Date: 04/06/2006
  • Status: Active Grant
First Claim
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1. A network-initiated area event triggered positioning method for a roaming terminal in a mobile communication system, comprising:

  • sending, by a first server, a session initiation message for initiating a trigger session to the roaming terminal;

    receiving a session start message from the roaming terminal;

    requesting area ids related to area event-triggered positioning from a second server and obtaining area ids;

    sending a session response message including at least a trigger parameter to the roaming terminal;

    receiving a positioning initiation message from the roaming terminal and transferring it to the second server;

    receiving a calculated position value of the roaming terminal from the second server and transferring the received position value to the roaming terminal; and

    providing the calculated position value received from the roaming terminal to an agent.

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